125415341042 has 4 divisors (see below), whose sum is σ = 188123011566. Its totient is φ = 62707670520.

The previous prime is 125415341033. The next prime is 125415341047. The reversal of 125415341042 is 240143514521.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 240143514521 = 280187 ⋅857083.

It can be written as a sum of positive squares in only one way, i.e., 125223269161 + 192071881 = 353869^2 + 13859^2 .

It is not an unprimeable number, because it can be changed into a prime (125415341047) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31353835259 + ... + 31353835262.

Almost surely, 2^125415341042 is an apocalyptic number.

125415341042 is a deficient number, since it is larger than the sum of its proper divisors (62707670524).

125415341042 is an equidigital number, since it uses as much as digits as its factorization.

125415341042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62707670523.

The product of its (nonzero) digits is 19200, while the sum is 32.

Adding to 125415341042 its reverse (240143514521), we get a palindrome (365558855563).

The spelling of 125415341042 in words is "one hundred twenty-five billion, four hundred fifteen million, three hundred forty-one thousand, forty-two".